linux-kernel - Re: [PATCH AUTOSEL 5.4 7/7] selftests/nolibc: use EFI -bios for LoongArch qemu

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Date: Tue, 16 Jan 2024 06:29:44 -0500
From: Sasha Levin <sashal@...nel.org>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Thomas Weißschuh <linux@...ssschuh.net>,
	Willy Tarreau <w@....eu>, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 5.4 7/7] selftests/nolibc: use EFI -bios for
 LoongArch qemu

On Tue, Jan 16, 2024 at 07:50:17PM +0900, Masahiro Yamada wrote:
>On Tue, Jan 16, 2024 at 9:15 AM Sasha Levin <sashal@...nel.org> wrote:
>>
>> From: Thomas Weißschuh <linux@...ssschuh.net>
>>
>> [ Upstream commit bdeeeaba83682225a7bf5f100fe8652a59590d33 ]
>>
>> qemu for LoongArch does not work properly with direct kernel boot.
>> The kernel will panic during initialization and hang without any output.
>>
>> When booting in EFI mode everything work correctly.
>>
>> While users most likely don't have the LoongArch EFI binary installed at
>> least an explicit error about 'file not found' is better than a hanging
>> test without output that can never succeed.
>>
>> Link: https://lore.kernel.org/loongarch/1738d60a-df3a-4102-b1da-d16a29b6e06a@t-8ch.de/
>> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
>> Acked-by: Willy Tarreau <w@....eu>
>> Link: https://lore.kernel.org/r/20231031-nolibc-out-of-tree-v1-1-47c92f73590a@weissschuh.net
>> Signed-off-by: Sasha Levin <sashal@...nel.org>
>> ---
>>  Makefile | 9 ++++++++-
>>  1 file changed, 8 insertions(+), 1 deletion(-)
>
>
>
>
>This backport makes me upset.
>
>The original commit, bdeeeaba83682225a7bf5f100fe8652a59590d33,
>changed tools/testing/selftests/nolibc/Makefile.
>
>
>However, this backport changes the top Makefile.
>
>
>What is happening in the back-port logic?

I'm... not entierly sure. This wasn't hand massaged.

I'll drop it from everywhere.

-- 
Thanks,
Sasha